Main Entry: se·cu·ri·ty
Pronunciation: si-kyr-t-
Function: noun
Inflected Form(s): plural -ties1: the state of being secure : SAFETY2: something given as a pledge <security for a loan>3: a document (as a stock certificate or bond) providing evidence of ownership <government securities>4: something that secures : PROTECTION; especially: measures taken to guard against spying or destructive actions <a senate committee concerned with national security>